Visiting any node below the federated node(http://localhost:8983/fedora/rest/federated/subfolder) results in a similar NullPointerException (java.lang.NullPointerException at org.modeshape.jcr.JcrSession.cachedNode...)* I'm not sure if this is simply because the ".../federated/..." node isn't available or if fedora kept some extra reference to the subfolder node around too.